单项选择题
W: Hello, how can I help you
M: Good morning. I seem to have hurt my wrist.
W: Yes How did you do that
M: Well, I’m not actually sure. I think... I did go to party last night, and urn, I sort of fell up the steps, and I may have done it then.
W: You fell on it, do you think
M: Well, I think so. I do remember falling over.
W: OK, let me have a look at it, could I Yes, it’s rather serious. Dose this hurt
M: Yes it does actually, yes.
W: Well, my advice is that you should get it X-rayed. I think it could be broken.
A. Husband and wife.
B. Doctor and patient.
C. Teacher and student.
D. Doctor and ’nurse.